Home / 2,669.71-3,683.95-1,550.63

Finding the Fourth Proportional to 2,669.71, 3,683.95 and 1,550.63

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Solution

The fourth proportional to 2,669.71, 3,683.95 and 1,550.63 is: 2,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.71 : 3,683.95 = 1,550.63 : x
  2. Step 2: Convert to fraction form
    2,669.71/3,683.95 = 1,550.63/x
  3. Step 3: Cross multiply
    2,669.71x = 3,683.95 × 1,550.63
  4. Step 4: Simplify right side
    2,669.71x = 5,712,424.97
  5. Step 5: Solve for x
    x = 5,712,424.97/2,669.71
  6. Step 6: Final answer
    x = 2,139.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.